body{
    background-color: #f5f5f7;
}

.clearfix:after {
    content: "";
    display: block;
    clear: both;
    visibility: hidden;
    height: 0;
}
html,
body,
h1,
h2,
h3,
h4,
h5,
h6,
hr,
p,
span,
dl,
dt,
dd,
ul,
ol,
li,
button,
input,
th,
i,
td {
    margin: 0;
    padding: 0;
}

